<form id="login-form" class="form-horizontal" name="loginForm">
    <div class="container">
        <div class="row">
            <div class="col-md-3 col-md-offset-4">
                <div class="account-box">
                    <div class="logo ">
                        <h3>Login</h3>
                        <h5>Seminario - Grupo4</h5>
                    </div>
                    <div id="loginError" class="alert alert-error fade in"
                         ng-show="showAlertErrorLogin">
                        <a class="close" data-dismiss="alert">&times;</a>
                        <h4 class="alert-heading">Error!</h4>
                        <p></p>
                    </div>
                    <div class="form-group">
                        <input type="text" class="form-control" id="login-user" placeholder="Username" autofocus />
                    </div>
                    <div class="form-group">
                        <input type="password" id="login-password" class="form-control" placeholder="Password"  />
                    </div>
                    <div class="control-group"
                         style="margin-bottom: auto; padding-bottom: 15px">
                        <button type="button" class="btn btn-lg btn-block purple-bg" ng-click="loginUser()" ng-disabled="!loginForm.$valid" ng-show="loginButton">Login</button>
                        <img src="images/ajax-loader.gif"
                             class="loading-indicator-login-view" ng-show="waitingLogin" />
                    </div>
                </div>
            </div>
        </div>
    </div>
</form>